Originally Posted by
Yaatri
I believe, in U.K the bulbs are bayonet mount with two electrodes, as opposed to screw mount with one electrode. Saying Europe isn't enough.
Most modern UK bulbs are bayonet with two - but older UK bulbs are screw with one.
Although your average supermarket will only sell bayonet, you can get a screw in at larger stores for old lamps: when I bought an old house which was re-wired in the 60s I had to buy the screwins until I'd rewired the house (and I'd got rid of the small round pin bakalite sockets... oddly, wired into the lighting circuit
).
Remember, even in the UK, there can be different standards...